/**
 * Copyright (c) 2014 Baidu, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.baidu.rigel.biplatform.ac.query.model.node;

import java.io.Serializable;
import java.math.BigDecimal;

/**
 * 计算节点
 * @author xiaoming.chen
 *
 */
public interface Node extends Serializable {
    
    /**
     * 返回结果
     * @return 结果 
     */
    BigDecimal getResult();
    
}
